Optoelectronics company !%Advanced Photonix Inc.%! of Ann Arbor, Mich., has signed Thermo Fisher Scientific of Waltham, Mass., as its first value-added reseller for its T-Gauge industrial terahertz gauging system. The system offers on- and offline measurement for quality assurance and process control of web-based and converting industries. The technology is adaptable to various sensor configurations. The agreement will enable T-Gauge industrial process control solutions for continuous web, discrete manufacturing and anomaly defect inspection applications.